| Value | Category | Cases | |
|---|---|---|---|
| 6 | 1 |
3.2%
|
|
| 8 | 1 |
3.2%
|
|
| 9 | 1 |
3.2%
|
|
| 11 | 1 |
3.2%
|
|
| 97 | Inconsistent | 0 |
0%
|
| 98 | DK | 27 |
87.1%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1250 |